<!DOCTYPE html>
<!--
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<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
    </head>
    <body>
        <?php
        // put your code here
        ?>
        <form action="" method="POST">
            <input type="text" placeholder="请输入验证码" name="myselfcode"/>
            <img src="SelfCode.php" onclick="this.src='SelfCode.php?aa=random()'"/>
            
        </form>
    </body>
</html>
